Application of the Probability Theory to the Design Procedure of an Endurance Test Track Surface 690111

The probability theory is applied to the design procedure of a test track surface in order to obtain good similarity in statistical data between the endurance test results on the test track and the real situation with customer usage, and to reduce the endurance test period.The test track surface design is made by using the expected power spectrum of road surface and cross spectrum between two longitudinal lanes on the road surface. Those spectra are to be induced from various measured spectra.Experimental results on this test track and the other track's are also discussed in this paper.


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